Most have already undergone some version of formal interview training, forcing teams to determine who's being honest and forthright, and who's trying to spin answers.

The list of those facing tough questions this year include Marcus Lattimore, who is trying to return from a gruesome knee injury; Tyrann Mathieu and Da'Rick Rogers, who failed drug tests in college; and Manti Te'o, the victim of an online hoax that drew international attention.